Logger.class.php

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<?php
// ---------------------------------------------------------------------------
// $Id$
// ---------------------------------------------------------------------------
// OpenRat Content Management System
// Copyright (C) 2002 Jan Dankert, jandankert@jandankert.de
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
// ---------------------------------------------------------------------------
// $Log$
// Revision 1.5  2007-11-08 21:32:06  dankert
// Aktion-Name mitloggen.
//
// Revision 1.4  2004/11/10 22:50:37  dankert
// Benutzen von Konstanten zur Performancesteigerung
//
// Revision 1.3  2004/10/04 19:57:17  dankert
// Bugfix und trace()
//
// Revision 1.2  2004/05/02 15:04:16  dankert
// Einf?gen package-name (@package)
//
// Revision 1.1  2004/04/24 17:03:28  dankert
// Initiale Version
//
// ---------------------------------------------------------------------------


switch( strtolower($conf['log']['level']) )
{
     case 'trace':
          define('OR_LOG_LEVEL_TRACE',true );

     case 'debug':
          define('OR_LOG_LEVEL_DEBUG',true );

     case 'info':
          define('OR_LOG_LEVEL_INFO' ,true );

     case 'warn':
          define('OR_LOG_LEVEL_WARN' ,true );

     case 'error':
          define('OR_LOG_LEVEL_ERROR',true );
}

if   ( !defined('OR_LOG_LEVEL_TRACE') ) define('OR_LOG_LEVEL_TRACE',false );
if   ( !defined('OR_LOG_LEVEL_DEBUG') ) define('OR_LOG_LEVEL_DEBUG',false );
if   ( !defined('OR_LOG_LEVEL_INFO' ) ) define('OR_LOG_LEVEL_INFO' ,false );
if   ( !defined('OR_LOG_LEVEL_WARN' ) ) define('OR_LOG_LEVEL_WARN' ,false );
if   ( !defined('OR_LOG_LEVEL_ERROR') ) define('OR_LOG_LEVEL_ERROR',false );



class Logger
{
     function trace( $message )
     {
          if   ( OR_LOG_LEVEL_TRACE )
               Logger::doLog( 'trace',$message );
     }


     function debug( $message )
     {
          if   ( OR_LOG_LEVEL_DEBUG )
               Logger::doLog( 'debug',$message );
     }


     function info( $message )
     {
          if   ( OR_LOG_LEVEL_INFO )
               Logger::doLog( 'info',$message );
     }


     function warn( $message )
     {
          if   ( OR_LOG_LEVEL_WARN )
               Logger::doLog( 'warn',$message );
     }


     function error( $message )
     {
          if   ( OR_LOG_LEVEL_ERROR )
               Logger::doLog( 'error',$message );
     }


     function doLog( $facility,$message )
     {
          global $conf;
          global $SESS;
          
          $filename = $conf['log']['file'];

          if   ( $filename == '' )
               return;

          if   ( ! is_writable($filename) )
               Http::serverError( "logfile $filename is not writable by the server" );

          $thisLevel = strtoupper($facility);
          
          $user = Session::getUser();
          if   ( is_object($user) )
               $username = $user->name;
          else
               $username = '-';
     
          $text = $conf['log']['format']; // Format der Logdatei lesen

          // Ersetzen von Variablen
          if   ( $conf['log']['dns_lookup'] )
               $text = str_replace( '%host',gethostbyaddr(getenv('REMOTE_ADDR')),$text );
          else
               $text = str_replace( '%host',getenv('REMOTE_ADDR'),$text );
          
          $action = Session::get('action');
          if   ( empty($action) )
               $action = '-';

          $action = Session::get('action');
          if   ( empty($action) )
               $action = '-';
               
          $text = str_replace( '%user'  ,str_pad($username ,8),$text );
          $text = str_replace( '%level' ,str_pad($thisLevel,5),$text );
          $text = str_replace( '%agent' ,getenv('HTTP_USER_AGENT'),$text );
          $text = str_replace( '%action',str_pad($action,12),$text );
          $text = str_replace( '%text'  ,$message,$text );
          $text = str_replace( '%time'  ,date($conf['log']['date_format']),$text );

          // Schreiben in Logdatei
          error_log( $text."\n",3,$filename );
     }
}

?>